In order to reduce the impact of disordered charging of electric vehicles on the power grid,the start-up threshold and shutdown threshold of the electricity price that EV users actively respond to the orderly charging strategy are introduced,and a method for formulating the time-of-use electricity price is proposed.Taking power and user demand as constraints,a dual-objective nonlinear programming model for ordered charging is established.The bi-objective optimization model is solved by the permissive hierarchical sequence method.The results show that:compared with other charging strategies,the power grid load curve under the dual optimization objective is more flat,and the power grid load fluctuation is significantly reduced.Improve user satisfaction.Charging costs for electric vehicle users are also significantly reduced,greatly increasing user satisfaction.
关键词
电动汽车/分时电价/有序充电/双目标规划/分层序列
Key words
electric vehicle/time-of-use electricity price/orderly charging/dual-objective planning/hierarchical sequence